Home / 66,820.62-100,234.32-16,901.13

Finding the Fourth Proportional to 66,820.62, 100,234.32 and 16,901.13

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Solution

The fourth proportional to 66,820.62, 100,234.32 and 16,901.13 is: 25,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,820.62 : 100,234.32 = 16,901.13 : x
  2. Step 2: Convert to fraction form
    66,820.62/100,234.32 = 16,901.13/x
  3. Step 3: Cross multiply
    66,820.62x = 100,234.32 × 16,901.13
  4. Step 4: Simplify right side
    66,820.62x = 1,694,073,272.78
  5. Step 5: Solve for x
    x = 1,694,073,272.78/66,820.62
  6. Step 6: Final answer
    x = 25,352.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.